Saute onions in olive oil on medium-high heat until browned and translucent, approx. 10 minutes.
Add minced garlic and saute for another minute.
Add wine, stir to life any browned onions/garlic from bottom of the pot, and simmer for a couple of minutes.
Add tomatoes, half of the herbs, salt, pepper, and crushed red pepper. Stir, and let simmer on low heat for 3 hours, stirring and tasting occasionally. Add seasoning as needed.
If sauce is looking too thin, leave lid ajar for a while.
During the last 10 minutes of cooking, add rest of the herbs.
Notes
Use the sauce immediately or store in containers/mason jars for months in the freezer or about a week in the refrigerator.
The provided nutrition information does not include any added sodium from seasoning to taste, any optional ingredients, and it does not take brands into account. Feel free to calculate it yourself using this calculator or by adding the recipe to Yummly.